docstr: Initialize the base PyVista view.
docstr_tok: ["Initialize","the","base","PyVista","view","."]
code: def __init__(self, plotter):
      """Initialize the base PyVista view."""
      self._plotter = weakref.ref(plotter)
      self.pyvista_initialize()
      self._plotter_render_callback = lambda *args: self.update()
  
imports: import io
  import weakref
  from trame.app import get_server
  from trame.widgets.vtk import VtkLocalView, VtkRemoteLocalView, VtkRemoteView
  from trame_vtk.tools.vtksz2html import write_html
label_desc: Use image node_id 1 to create a new _BasePyVistaView object  with example: obj = _BasePyVistaView(plotter)